Adjustable square blade



FIG. 1 is a front, top, right side isometric view of a first embodiment of an adjustable square blade in accordance with the design;

FIG. 2 is a front elevation view of the adjustable square blade of FIG. 1;

FIG. 3 is a rear elevation view of the adjustable square blade of FIG. 1;

FIG. 4 is a right side elevation view of the adjustable square blade of FIG. 1;

FIG. 5 is a left side elevation view of the adjustable square blade of FIG. 1;

FIG. 6 is a top plan view of the adjustable square blade of FIG. 1; and,

FIG. 7 is a bottom plan view of the adjustable square blade of FIG. 1.

The adjustable square blade is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for an adjustable square blade, as shown and described. 